Answer:
D.16.5m
because circumference=21/7×5.25
=16.5m
30
Step-by-step explanation:
I believe it would be 30 degrees because it is opposite of mAGB.
y= -1x-5
the area is 286
pls mark as brainlist
Answer: answer is in the photo
x=12, y=30
to find x:
in a equilateral triangle, all three sides are congruent, so:
4x-4=3x+8
x-4=8
x=12
to find y:
in an equilateral triangle, all the angles are 60°, so:
2y=60
y=30°
